Re: [PATCH 1/2] crypto: caam - reduce page 0 regs access to minimum

From: Herbert Xu
Date: Fri Mar 10 2023 - 06:18:01 EST


On Thu, Mar 02, 2023 at 11:50:54AM +0530, meenakshi.aggarwal@xxxxxxx wrote:
> From: Horia GeantA <horia.geanta@xxxxxxx>
>
> Use job ring register map, in place of controller register map
> to access page 0 registers, as access to the controller register
> map is not permitted.
>
> Signed-off-by: Horia GeantA <horia.geanta@xxxxxxx>
> ---
> drivers/crypto/caam/caamalg.c | 21 +++++-----
> drivers/crypto/caam/caamhash.c | 10 +++--
> drivers/crypto/caam/caampkc.c | 6 +--
> drivers/crypto/caam/caamrng.c | 6 +--
> drivers/crypto/caam/ctrl.c | 74 +++++++++++++++++++++-------------
> drivers/crypto/caam/debugfs.c | 8 ++--
> drivers/crypto/caam/debugfs.h | 7 +++-
> 7 files changed, 78 insertions(+), 54 deletions(-)

With these two patches I get:

CHECK ../drivers/crypto/caam/ctrl.c
../drivers/crypto/caam/ctrl.c:706:27: warning: cast removes address space '__iomem' of expression
../drivers/crypto/caam/ctrl.c:705:27: warning: cast removes address space '__iomem' of expression
../drivers/crypto/caam/ctrl.c:705:17: warning: incorrect type in assignment (different address spaces)
../drivers/crypto/caam/ctrl.c:705:17: expected struct caam_perfmon [noderef] __iomem *perfmon
../drivers/crypto/caam/ctrl.c:705:17: got struct caam_perfmon *
../drivers/crypto/caam/ctrl.c:836:37: warning: incorrect type in argument 2 (different address spaces)
../drivers/crypto/caam/ctrl.c:836:37: expected struct caam_perfmon *perfmon
../drivers/crypto/caam/ctrl.c:836:37: got struct caam_perfmon [noderef] __iomem *perfmon
../drivers/crypto/caam/ctrl.c:881:32: warning: cast removes address space '__iomem' of expression
../drivers/crypto/caam/ctrl.c:880:32: warning: cast removes address space '__iomem' of expression
../drivers/crypto/caam/ctrl.c:880:22: warning: incorrect type in assignment (different address spaces)
../drivers/crypto/caam/ctrl.c:880:22: expected struct version_regs [noderef] __iomem *vreg
../drivers/crypto/caam/ctrl.c:880:22: got struct version_regs *
../drivers/crypto/caam/ctrl.c:450: warning: Function parameter or member 'perfmon' not described in 'caam_get_era'
../drivers/crypto/caam/ctrl.c:450: warning: Excess function parameter 'ctrl' description in 'caam_get_era'

Please always make sure your code compiles cleanly with C=1 W=1.

Thanks,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt